[ 746.772660][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 746.773036][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 746.773036][ T10] netdev_get_by_index+0x5e/0x80 [ 746.773036][ T10] fib6_nh_init+0x3d8/0x15b0 [ 746.773036][ T10] ip6_route_info_create+0xf18/0x17d0 [ 746.773036][ T10] addrconf_f6i_alloc+0x244/0x410 [ 746.773036][ T10] ipv6_add_addr+0x411/0x2000 [ 746.773036][ T10] inet6_addr_add+0x30e/0xa40 [ 746.773036][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 746.773036][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 746.773036][ T10] netlink_rcv_skb+0x130/0x360 [ 746.773036][ T10] netlink_unicast+0x449/0x710 [ 746.773036][ T10] netlink_sendmsg+0x723/0xbe0 [ 746.773036][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 746.773036][ T10] ___sys_sendmsg+0xee/0x170 [ 746.773036][ T10] __sys_sendmsg+0xcd/0x170 [ 746.773036][ T10] do_syscall_64+0xc6/0x1e0 [ 746.773036][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 746.773036][ T10] [ 746.775347][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 746.775347][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 746.775347][ T10] ipv6_find_idev+0x102/0x170 [ 746.775347][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 746.775347][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 746.775347][ T10] netlink_rcv_skb+0x130/0x360 [ 746.775347][ T10] netlink_unicast+0x449/0x710 [ 746.775347][ T10] netlink_sendmsg+0x723/0xbe0 [ 746.775347][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 746.775347][ T10] ___sys_sendmsg+0xee/0x170 [ 746.775347][ T10] __sys_sendmsg+0xcd/0x170 [ 746.775347][ T10] do_syscall_64+0xc6/0x1e0 [ 746.775347][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 746.775347][ T10] [ 746.777129][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 746.777129][ T10] neigh_parms_alloc+0x1e5/0x510 [ 746.777129][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 746.777129][ T10] ipv6_find_idev+0x102/0x170 [ 746.777129][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 746.777129][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 746.777129][ T10] netlink_rcv_skb+0x130/0x360 [ 746.777129][ T10] netlink_unicast+0x449/0x710 [ 746.777129][ T10] netlink_sendmsg+0x723/0xbe0 [ 746.777129][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 746.777129][ T10] ___sys_sendmsg+0xee/0x170 [ 746.777129][ T10] __sys_sendmsg+0xcd/0x170 [ 746.777129][ T10] do_syscall_64+0xc6/0x1e0 [ 746.777129][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 746.777129][ T10] [ 746.779074][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 746.779384][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 746.779384][ T10] netdev_get_by_index+0x5e/0x80 [ 746.779384][ T10] fib6_nh_init+0x3d8/0x15b0 [ 746.779384][ T10] ip6_route_info_create+0xf18/0x17d0 [ 746.779384][ T10] addrconf_f6i_alloc+0x244/0x410 [ 746.779384][ T10] ipv6_add_addr+0x411/0x2000 [ 746.779384][ T10] inet6_addr_add+0x30e/0xa40 [ 746.779384][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 746.779384][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 746.779384][ T10] netlink_rcv_skb+0x130/0x360 [ 746.779384][ T10] netlink_unicast+0x449/0x710 [ 746.779384][ T10] netlink_sendmsg+0x723/0xbe0 [ 746.779384][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 746.779384][ T10] ___sys_sendmsg+0xee/0x170 [ 746.779384][ T10] __sys_sendmsg+0xcd/0x170 [ 746.779384][ T10] do_syscall_64+0xc6/0x1e0 [ 746.779384][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 746.779384][ T10] [ 746.781678][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 746.781678][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 746.781678][ T10] ipv6_find_idev+0x102/0x170 [ 746.781678][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 746.781678][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 746.781678][ T10] netlink_rcv_skb+0x130/0x360 [ 746.781678][ T10] netlink_unicast+0x449/0x710 [ 746.781678][ T10] netlink_sendmsg+0x723/0xbe0 [ 746.781678][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 746.781678][ T10] ___sys_sendmsg+0xee/0x170 [ 746.781678][ T10] __sys_sendmsg+0xcd/0x170 [ 746.781678][ T10] do_syscall_64+0xc6/0x1e0 [ 746.781678][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 746.781678][ T10] [ 746.783443][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 746.783443][ T10] neigh_parms_alloc+0x1e5/0x510 [ 746.783443][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 746.783443][ T10] ipv6_find_idev+0x102/0x170 [ 746.783443][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 746.783443][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 746.783443][ T10] netlink_rcv_skb+0x130/0x360 [ 746.783443][ T10] netlink_unicast+0x449/0x710 [ 746.783443][ T10] netlink_sendmsg+0x723/0xbe0 [ 746.783443][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 746.783443][ T10] ___sys_sendmsg+0xee/0x170 [ 746.783443][ T10] __sys_sendmsg+0xcd/0x170 [ 746.783443][ T10] do_syscall_64+0xc6/0x1e0 [ 746.783443][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 746.783443][ T10] [ 746.785386][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 746.785689][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 746.785689][ T10] netdev_get_by_index+0x5e/0x80 [ 746.785689][ T10] fib6_nh_init+0x3d8/0x15b0 [ 746.785689][ T10] ip6_route_info_create+0xf18/0x17d0 [ 746.785689][ T10] addrconf_f6i_alloc+0x244/0x410 [ 746.785689][ T10] ipv6_add_addr+0x411/0x2000 [ 746.785689][ T10] inet6_addr_add+0x30e/0xa40 [ 746.785689][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 746.785689][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 746.785689][ T10] netlink_rcv_skb+0x130/0x360 [ 746.785689][ T10] netlink_unicast+0x449/0x710 [ 746.785689][ T10] netlink_sendmsg+0x723/0xbe0 [ 746.785689][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 746.785689][ T10] ___sys_sendmsg+0xee/0x170 [ 746.785689][ T10] __sys_sendmsg+0xcd/0x170 [ 746.785689][ T10] do_syscall_64+0xc6/0x1e0 [ 746.785689][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 746.785689][ T10] [ 746.787983][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 746.787983][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 746.787983][ T10] ipv6_find_idev+0x102/0x170 [ 746.787983][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 746.787983][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 746.787983][ T10] netlink_rcv_skb+0x130/0x360 [ 746.787983][ T10] netlink_unicast+0x449/0x710 [ 746.787983][ T10] netlink_sendmsg+0x723/0xbe0 [ 746.787983][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 746.787983][ T10] ___sys_sendmsg+0xee/0x170 [ 746.787983][ T10] __sys_sendmsg+0xcd/0x170 [ 746.787983][ T10] do_syscall_64+0xc6/0x1e0 [ 746.787983][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 746.787983][ T10] [ 746.789753][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 746.789753][ T10] neigh_parms_alloc+0x1e5/0x510 [ 746.789753][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 746.789753][ T10] ipv6_find_idev+0x102/0x170 [ 746.789753][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 746.789753][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 746.789753][ T10] netlink_rcv_skb+0x130/0x360 [ 746.789753][ T10] netlink_unicast+0x449/0x710 [ 746.789753][ T10] netlink_sendmsg+0x723/0xbe0 [ 746.789753][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 746.789753][ T10] ___sys_sendmsg+0xee/0x170 [ 746.789753][ T10] __sys_sendmsg+0xcd/0x170 [ 746.789753][ T10] do_syscall_64+0xc6/0x1e0 [ 746.789753][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 746.789753][ T10] [ 746.791687][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 746.792008][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 746.792008][ T10] netdev_get_by_index+0x5e/0x80 [ 746.792008][ T10] fib6_nh_init+0x3d8/0x15b0 [ 746.792008][ T10] ip6_route_info_create+0xf18/0x17d0 [ 746.792008][ T10] addrconf_f6i_alloc+0x244/0x410 [ 746.792008][ T10] ipv6_add_addr+0x411/0x2000 [ 746.792008][ T10] inet6_addr_add+0x30e/0xa40 [ 746.792008][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 746.792008][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 746.792008][ T10] netlink_rcv_skb+0x130/0x360 [ 746.792008][ T10] netlink_unicast+0x449/0x710 [ 746.792008][ T10] netlink_sendmsg+0x723/0xbe0 [ 746.792008][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 746.792008][ T10] ___sys_sendmsg+0xee/0x170 [ 746.792008][ T10] __sys_sendmsg+0xcd/0x170 [ 746.792008][ T10] do_syscall_64+0xc6/0x1e0 [ 746.792008][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 746.792008][ T10] [ 746.794308][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 746.794308][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 746.794308][ T10] ipv6_find_idev+0x102/0x170 [ 746.794308][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 746.794308][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 746.794308][ T10] netlink_rcv_skb+0x130/0x360 [ 746.794308][ T10] netlink_unicast+0x449/0x710 [ 746.794308][ T10] netlink_sendmsg+0x723/0xbe0 [ 746.794308][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 746.794308][ T10] ___sys_sendmsg+0xee/0x170 [ 746.794308][ T10] __sys_sendmsg+0xcd/0x170 [ 746.794308][ T10] do_syscall_64+0xc6/0x1e0 [ 746.794308][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 746.794308][ T10] [ 746.796335][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 746.796335][ T10] neigh_parms_alloc+0x1e5/0x510 [ 746.796335][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 746.796335][ T10] ipv6_find_idev+0x102/0x170 [ 746.796335][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 746.796335][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 746.796335][ T10] netlink_rcv_skb+0x130/0x360 [ 746.796335][ T10] netlink_unicast+0x449/0x710 [ 746.796335][ T10] netlink_sendmsg+0x723/0xbe0 [ 746.796335][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 746.796335][ T10] ___sys_sendmsg+0xee/0x170 [ 746.796335][ T10] __sys_sendmsg+0xcd/0x170 [ 746.796335][ T10] do_syscall_64+0xc6/0x1e0 [ 746.796335][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 746.796335][ T10] [ 746.798517][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 746.798829][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 746.798829][ T10] netdev_get_by_index+0x5e/0x80 [ 746.798829][ T10] fib6_nh_init+0x3d8/0x15b0 [ 746.798829][ T10] ip6_route_info_create+0xf18/0x17d0 [ 746.798829][ T10] addrconf_f6i_alloc+0x244/0x410 [ 746.798829][ T10] ipv6_add_addr+0x411/0x2000 [ 746.798829][ T10] inet6_addr_add+0x30e/0xa40 [ 746.798829][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 746.798829][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 746.798829][ T10] netlink_rcv_skb+0x130/0x360 [ 746.798829][ T10] netlink_unicast+0x449/0x710 [ 746.798829][ T10] netlink_sendmsg+0x723/0xbe0 [ 746.798829][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 746.798829][ T10] ___sys_sendmsg+0xee/0x170 [ 746.798829][ T10] __sys_sendmsg+0xcd/0x170 [ 746.798829][ T10] do_syscall_64+0xc6/0x1e0 [ 746.798829][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 746.798829][ T10] [ 746.801354][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 746.801354][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 746.801354][ T10] ipv6_find_idev+0x102/0x170 [ 746.801354][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 746.801354][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 746.801354][ T10] netlink_rcv_skb+0x130/0x360 [ 746.801354][ T10] netlink_unicast+0x449/0x710 [ 746.801354][ T10] netlink_sendmsg+0x723/0xbe0 [ 746.801354][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 746.801354][ T10] ___sys_sendmsg+0xee/0x170 [ 746.801354][ T10] __sys_sendmsg+0xcd/0x170 [ 746.801354][ T10] do_syscall_64+0xc6/0x1e0 [ 746.801354][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 746.801354][ T10] [ 746.803310][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 746.803310][ T10] neigh_parms_alloc+0x1e5/0x510 [ 746.803310][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 746.803310][ T10] ipv6_find_idev+0x102/0x170 [ 746.803310][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 746.803310][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 746.803310][ T10] netlink_rcv_skb+0x130/0x360 [ 746.803310][ T10] netlink_unicast+0x449/0x710 [ 746.803310][ T10] netlink_sendmsg+0x723/0xbe0 [ 746.803310][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 746.803310][ T10] ___sys_sendmsg+0xee/0x170 [ 746.803310][ T10] __sys_sendmsg+0xcd/0x170 [ 746.803310][ T10] do_syscall_64+0xc6/0x1e0 [ 746.803310][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 746.803310][ T10] [ 746.805505][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 746.806344][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 746.806344][ T10] netdev_get_by_index+0x5e/0x80 [ 746.806344][ T10] fib6_nh_init+0x3d8/0x15b0 [ 746.806344][ T10] ip6_route_info_create+0xf18/0x17d0 [ 746.806344][ T10] addrconf_f6i_alloc+0x244/0x410 [ 746.806344][ T10] ipv6_add_addr+0x411/0x2000 [ 746.806344][ T10] inet6_addr_add+0x30e/0xa40 [ 746.806344][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 746.806344][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 746.806344][ T10] netlink_rcv_skb+0x130/0x360 [ 746.806344][ T10] netlink_unicast+0x449/0x710 [ 746.806344][ T10] netlink_sendmsg+0x723/0xbe0 [ 746.806344][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 746.806344][ T10] ___sys_sendmsg+0xee/0x170 [ 746.806344][ T10] __sys_sendmsg+0xcd/0x170 [ 746.806344][ T10] do_syscall_64+0xc6/0x1e0 [ 746.806344][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 746.806344][ T10] [ 746.808652][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 746.808652][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 746.808652][ T10] ipv6_find_idev+0x102/0x170 [ 746.808652][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 746.808652][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 746.808652][ T10] netlink_rcv_skb+0x130/0x360 [ 746.808652][ T10] netlink_unicast+0x449/0x710 [ 746.808652][ T10] netlink_sendmsg+0x723/0xbe0 [ 746.808652][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 746.808652][ T10] ___sys_sendmsg+0xee/0x170 [ 746.808652][ T10] __sys_sendmsg+0xcd/0x170 [ 746.808652][ T10] do_syscall_64+0xc6/0x1e0 [ 746.808652][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 746.808652][ T10] [ 746.810419][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 746.810419][ T10] neigh_parms_alloc+0x1e5/0x510 [ 746.810419][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 746.810419][ T10] ipv6_find_idev+0x102/0x170 [ 746.810419][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 746.810419][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 746.810419][ T10] netlink_rcv_skb+0x130/0x360 [ 746.810419][ T10] netlink_unicast+0x449/0x710 [ 746.810419][ T10] netlink_sendmsg+0x723/0xbe0 [ 746.810419][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 746.810419][ T10] ___sys_sendmsg+0xee/0x170 [ 746.810419][ T10] __sys_sendmsg+0xcd/0x170 [ 746.810419][ T10] do_syscall_64+0xc6/0x1e0 [ 746.810419][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 746.810419][ T10] [ 746.812536][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 746.812887][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 746.812887][ T10] netdev_get_by_index+0x5e/0x80 [ 746.812887][ T10] fib6_nh_init+0x3d8/0x15b0 [ 746.812887][ T10] ip6_route_info_create+0xf18/0x17d0 [ 746.812887][ T10] addrconf_f6i_alloc+0x244/0x410 [ 746.812887][ T10] ipv6_add_addr+0x411/0x2000 [ 746.812887][ T10] inet6_addr_add+0x30e/0xa40 [ 746.812887][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 746.812887][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 746.812887][ T10] netlink_rcv_skb+0x130/0x360 [ 746.812887][ T10] netlink_unicast+0x449/0x710 [ 746.812887][ T10] netlink_sendmsg+0x723/0xbe0 [ 746.812887][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 746.812887][ T10] ___sys_sendmsg+0xee/0x170 [ 746.812887][ T10] __sys_sendmsg+0xcd/0x170 [ 746.812887][ T10] do_syscall_64+0xc6/0x1e0 [ 746.812887][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 746.812887][ T10] [ 746.815371][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 746.815371][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 746.815371][ T10] ipv6_find_idev+0x102/0x170 [ 746.815371][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 746.815371][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 746.815371][ T10] netlink_rcv_skb+0x130/0x360 [ 746.815371][ T10] netlink_unicast+0x449/0x710 [ 746.815371][ T10] netlink_sendmsg+0x723/0xbe0 [ 746.815371][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 746.815371][ T10] ___sys_sendmsg+0xee/0x170 [ 746.815371][ T10] __sys_sendmsg+0xcd/0x170 [ 746.815371][ T10] do_syscall_64+0xc6/0x1e0 [ 746.815371][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 746.815371][ T10] [ 746.817270][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 746.817270][ T10] neigh_parms_alloc+0x1e5/0x510 [ 746.817270][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 746.817270][ T10] ipv6_find_idev+0x102/0x170 [ 746.817270][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 746.817270][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 746.817270][ T10] netlink_rcv_skb+0x130/0x360 [ 746.817270][ T10] netlink_unicast+0x449/0x710 [ 746.817270][ T10] netlink_sendmsg+0x723/0xbe0 [ 746.817270][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 746.817270][ T10] ___sys_sendmsg+0xee/0x170 [ 746.817270][ T10] __sys_sendmsg+0xcd/0x170 [ 746.817270][ T10] do_syscall_64+0xc6/0x1e0 [ 746.817270][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 746.817270][ T10] [ 746.819376][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 746.819680][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 746.819680][ T10] netdev_get_by_index+0x5e/0x80 [ 746.819680][ T10] fib6_nh_init+0x3d8/0x15b0 [ 746.819680][ T10] ip6_route_info_create+0xf18/0x17d0 [ 746.819680][ T10] addrconf_f6i_alloc+0x244/0x410 [ 746.819680][ T10] ipv6_add_addr+0x411/0x2000 [ 746.819680][ T10] inet6_addr_add+0x30e/0xa40 [ 746.819680][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 746.819680][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 746.819680][ T10] netlink_rcv_skb+0x130/0x360 [ 746.819680][ T10] netlink_unicast+0x449/0x710 [ 746.819680][ T10] netlink_sendmsg+0x723/0xbe0 [ 746.819680][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 746.819680][ T10] ___sys_sendmsg+0xee/0x170 [ 746.819680][ T10] __sys_sendmsg+0xcd/0x170 [ 746.819680][ T10] do_syscall_64+0xc6/0x1e0 [ 746.819680][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 746.819680][ T10] [ 746.822211][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 746.822211][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 746.822211][ T10] ipv6_find_idev+0x102/0x170 [ 746.822211][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 746.822211][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 746.822211][ T10] netlink_rcv_skb+0x130/0x360 [ 746.822211][ T10] netlink_unicast+0x449/0x710 [ 746.822211][ T10] netlink_sendmsg+0x723/0xbe0 [ 746.822211][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 746.822211][ T10] ___sys_sendmsg+0xee/0x170 [ 746.822211][ T10] __sys_sendmsg+0xcd/0x170 [ 746.822211][ T10] do_syscall_64+0xc6/0x1e0 [ 746.822211][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 746.822211][ T10] [ 746.824156][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 746.824156][ T10] neigh_parms_alloc+0x1e5/0x510 [ 746.824156][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 746.824156][ T10] ipv6_find_idev+0x102/0x170 [ 746.824156][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 746.824156][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 746.824156][ T10] netlink_rcv_skb+0x130/0x360 [ 746.824156][ T10] netlink_unicast+0x449/0x710 [ 746.824156][ T10] netlink_sendmsg+0x723/0xbe0 [ 746.824156][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 746.824156][ T10] ___sys_sendmsg+0xee/0x170 [ 746.824156][ T10] __sys_sendmsg+0xcd/0x170 [ 746.824156][ T10] do_syscall_64+0xc6/0x1e0 [ 746.824156][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 746.824156][ T10] [ 756.923752][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 756.924115][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 756.924115][ T10] netdev_get_by_index+0x5e/0x80 [ 756.924115][ T10] fib6_nh_init+0x3d8/0x15b0 [ 756.924115][ T10] ip6_route_info_create+0xf18/0x17d0 [ 756.924115][ T10] addrconf_f6i_alloc+0x244/0x410 [ 756.924115][ T10] ipv6_add_addr+0x411/0x2000 [ 756.924115][ T10] inet6_addr_add+0x30e/0xa40 [ 756.924115][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 756.924115][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 756.924115][ T10] netlink_rcv_skb+0x130/0x360 [ 756.924115][ T10] netlink_unicast+0x449/0x710 [ 756.924115][ T10] netlink_sendmsg+0x723/0xbe0 [ 756.924115][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 756.924115][ T10] ___sys_sendmsg+0xee/0x170 [ 756.924115][ T10] __sys_sendmsg+0xcd/0x170 [ 756.924115][ T10] do_syscall_64+0xc6/0x1e0 [ 756.924115][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 756.924115][ T10] [ 756.926411][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 756.926411][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 756.926411][ T10] ipv6_find_idev+0x102/0x170 [ 756.926411][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 756.926411][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 756.926411][ T10] netlink_rcv_skb+0x130/0x360 [ 756.926411][ T10] netlink_unicast+0x449/0x710 [ 756.926411][ T10] netlink_sendmsg+0x723/0xbe0 [ 756.926411][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 756.926411][ T10] ___sys_sendmsg+0xee/0x170 [ 756.926411][ T10] __sys_sendmsg+0xcd/0x170 [ 756.926411][ T10] do_syscall_64+0xc6/0x1e0 [ 756.926411][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 756.926411][ T10] [ 756.928153][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 756.928153][ T10] neigh_parms_alloc+0x1e5/0x510 [ 756.928153][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 756.928153][ T10] ipv6_find_idev+0x102/0x170 [ 756.928153][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 756.928153][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 756.928153][ T10] netlink_rcv_skb+0x130/0x360 [ 756.928153][ T10] netlink_unicast+0x449/0x710 [ 756.928153][ T10] netlink_sendmsg+0x723/0xbe0 [ 756.928153][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 756.928153][ T10] ___sys_sendmsg+0xee/0x170 [ 756.928153][ T10] __sys_sendmsg+0xcd/0x170 [ 756.928153][ T10] do_syscall_64+0xc6/0x1e0 [ 756.928153][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 756.928153][ T10] [ 756.930226][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 756.930596][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 756.930596][ T10] netdev_get_by_index+0x5e/0x80 [ 756.930596][ T10] fib6_nh_init+0x3d8/0x15b0 [ 756.930596][ T10] ip6_route_info_create+0xf18/0x17d0 [ 756.930596][ T10] addrconf_f6i_alloc+0x244/0x410 [ 756.930596][ T10] ipv6_add_addr+0x411/0x2000 [ 756.930596][ T10] inet6_addr_add+0x30e/0xa40 [ 756.930596][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 756.930596][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 756.930596][ T10] netlink_rcv_skb+0x130/0x360 [ 756.930596][ T10] netlink_unicast+0x449/0x710 [ 756.930596][ T10] netlink_sendmsg+0x723/0xbe0 [ 756.930596][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 756.930596][ T10] ___sys_sendmsg+0xee/0x170 [ 756.930596][ T10] __sys_sendmsg+0xcd/0x170 [ 756.930596][ T10] do_syscall_64+0xc6/0x1e0 [ 756.930596][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 756.930596][ T10] [ 756.933180][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 756.933180][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 756.933180][ T10] ipv6_find_idev+0x102/0x170 [ 756.933180][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 756.933180][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 756.933180][ T10] netlink_rcv_skb+0x130/0x360 [ 756.933180][ T10] netlink_unicast+0x449/0x710 [ 756.933180][ T10] netlink_sendmsg+0x723/0xbe0 [ 756.933180][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 756.933180][ T10] ___sys_sendmsg+0xee/0x170 [ 756.933180][ T10] __sys_sendmsg+0xcd/0x170 [ 756.933180][ T10] do_syscall_64+0xc6/0x1e0 [ 756.933180][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 756.933180][ T10] [ 756.935074][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 756.935074][ T10] neigh_parms_alloc+0x1e5/0x510 [ 756.935074][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 756.935074][ T10] ipv6_find_idev+0x102/0x170 [ 756.935074][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 756.935074][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 756.935074][ T10] netlink_rcv_skb+0x130/0x360 [ 756.935074][ T10] netlink_unicast+0x449/0x710 [ 756.935074][ T10] netlink_sendmsg+0x723/0xbe0 [ 756.935074][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 756.935074][ T10] ___sys_sendmsg+0xee/0x170 [ 756.935074][ T10] __sys_sendmsg+0xcd/0x170 [ 756.935074][ T10] do_syscall_64+0xc6/0x1e0 [ 756.935074][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 756.935074][ T10] [ 756.937013][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 756.937323][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 756.937323][ T10] netdev_get_by_index+0x5e/0x80 [ 756.937323][ T10] fib6_nh_init+0x3d8/0x15b0 [ 756.937323][ T10] ip6_route_info_create+0xf18/0x17d0 [ 756.937323][ T10] addrconf_f6i_alloc+0x244/0x410 [ 756.937323][ T10] ipv6_add_addr+0x411/0x2000 [ 756.937323][ T10] inet6_addr_add+0x30e/0xa40 [ 756.937323][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 756.937323][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 756.937323][ T10] netlink_rcv_skb+0x130/0x360 [ 756.937323][ T10] netlink_unicast+0x449/0x710 [ 756.937323][ T10] netlink_sendmsg+0x723/0xbe0 [ 756.937323][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 756.937323][ T10] ___sys_sendmsg+0xee/0x170 [ 756.937323][ T10] __sys_sendmsg+0xcd/0x170 [ 756.937323][ T10] do_syscall_64+0xc6/0x1e0 [ 756.937323][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 756.937323][ T10] [ 756.939784][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 756.939784][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 756.939784][ T10] ipv6_find_idev+0x102/0x170 [ 756.939784][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 756.939784][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 756.939784][ T10] netlink_rcv_skb+0x130/0x360 [ 756.939784][ T10] netlink_unicast+0x449/0x710 [ 756.939784][ T10] netlink_sendmsg+0x723/0xbe0 [ 756.939784][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 756.939784][ T10] ___sys_sendmsg+0xee/0x170 [ 756.939784][ T10] __sys_sendmsg+0xcd/0x170 [ 756.939784][ T10] do_syscall_64+0xc6/0x1e0 [ 756.939784][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 756.939784][ T10] [ 756.941802][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 756.941802][ T10] neigh_parms_alloc+0x1e5/0x510 [ 756.941802][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 756.941802][ T10] ipv6_find_idev+0x102/0x170 [ 756.941802][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 756.941802][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 756.941802][ T10] netlink_rcv_skb+0x130/0x360 [ 756.941802][ T10] netlink_unicast+0x449/0x710 [ 756.941802][ T10] netlink_sendmsg+0x723/0xbe0 [ 756.941802][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 756.941802][ T10] ___sys_sendmsg+0xee/0x170 [ 756.941802][ T10] __sys_sendmsg+0xcd/0x170 [ 756.941802][ T10] do_syscall_64+0xc6/0x1e0 [ 756.941802][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 756.941802][ T10] [ 756.943952][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 756.944258][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 756.944258][ T10] netdev_get_by_index+0x5e/0x80 [ 756.944258][ T10] fib6_nh_init+0x3d8/0x15b0 [ 756.944258][ T10] ip6_route_info_create+0xf18/0x17d0 [ 756.944258][ T10] addrconf_f6i_alloc+0x244/0x410 [ 756.944258][ T10] ipv6_add_addr+0x411/0x2000 [ 756.944258][ T10] inet6_addr_add+0x30e/0xa40 [ 756.944258][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 756.944258][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 756.944258][ T10] netlink_rcv_skb+0x130/0x360 [ 756.944258][ T10] netlink_unicast+0x449/0x710 [ 756.944258][ T10] netlink_sendmsg+0x723/0xbe0 [ 756.944258][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 756.944258][ T10] ___sys_sendmsg+0xee/0x170 [ 756.944258][ T10] __sys_sendmsg+0xcd/0x170 [ 756.944258][ T10] do_syscall_64+0xc6/0x1e0 [ 756.944258][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 756.944258][ T10] [ 756.946688][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 756.946688][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 756.946688][ T10] ipv6_find_idev+0x102/0x170 [ 756.946688][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 756.946688][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 756.946688][ T10] netlink_rcv_skb+0x130/0x360 [ 756.946688][ T10] netlink_unicast+0x449/0x710 [ 756.946688][ T10] netlink_sendmsg+0x723/0xbe0 [ 756.946688][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 756.946688][ T10] ___sys_sendmsg+0xee/0x170 [ 756.946688][ T10] __sys_sendmsg+0xcd/0x170 [ 756.946688][ T10] do_syscall_64+0xc6/0x1e0 [ 756.946688][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 756.946688][ T10] [ 756.948437][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 756.948437][ T10] neigh_parms_alloc+0x1e5/0x510 [ 756.948437][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 756.948437][ T10] ipv6_find_idev+0x102/0x170 [ 756.948437][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 756.948437][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 756.948437][ T10] netlink_rcv_skb+0x130/0x360 [ 756.948437][ T10] netlink_unicast+0x449/0x710 [ 756.948437][ T10] netlink_sendmsg+0x723/0xbe0 [ 756.948437][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 756.948437][ T10] ___sys_sendmsg+0xee/0x170 [ 756.948437][ T10] __sys_sendmsg+0xcd/0x170 [ 756.948437][ T10] do_syscall_64+0xc6/0x1e0 [ 756.948437][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 756.948437][ T10] [ 756.950464][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 756.950810][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 756.950810][ T10] netdev_get_by_index+0x5e/0x80 [ 756.950810][ T10] fib6_nh_init+0x3d8/0x15b0 [ 756.950810][ T10] ip6_route_info_create+0xf18/0x17d0 [ 756.950810][ T10] addrconf_f6i_alloc+0x244/0x410 [ 756.950810][ T10] ipv6_add_addr+0x411/0x2000 [ 756.950810][ T10] inet6_addr_add+0x30e/0xa40 [ 756.950810][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 756.950810][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 756.950810][ T10] netlink_rcv_skb+0x130/0x360 [ 756.950810][ T10] netlink_unicast+0x449/0x710 [ 756.950810][ T10] netlink_sendmsg+0x723/0xbe0 [ 756.950810][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 756.950810][ T10] ___sys_sendmsg+0xee/0x170 [ 756.950810][ T10] __sys_sendmsg+0xcd/0x170 [ 756.950810][ T10] do_syscall_64+0xc6/0x1e0 [ 756.950810][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 756.950810][ T10] [ 756.953374][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 756.953374][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 756.953374][ T10] ipv6_find_idev+0x102/0x170 [ 756.953374][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 756.953374][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 756.953374][ T10] netlink_rcv_skb+0x130/0x360 [ 756.953374][ T10] netlink_unicast+0x449/0x710 [ 756.953374][ T10] netlink_sendmsg+0x723/0xbe0 [ 756.953374][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 756.953374][ T10] ___sys_sendmsg+0xee/0x170 [ 756.953374][ T10] __sys_sendmsg+0xcd/0x170 [ 756.953374][ T10] do_syscall_64+0xc6/0x1e0 [ 756.953374][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 756.953374][ T10] [ 756.955333][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 756.955333][ T10] neigh_parms_alloc+0x1e5/0x510 [ 756.955333][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 756.955333][ T10] ipv6_find_idev+0x102/0x170 [ 756.955333][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 756.955333][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 756.955333][ T10] netlink_rcv_skb+0x130/0x360 [ 756.955333][ T10] netlink_unicast+0x449/0x710 [ 756.955333][ T10] netlink_sendmsg+0x723/0xbe0 [ 756.955333][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 756.955333][ T10] ___sys_sendmsg+0xee/0x170 [ 756.955333][ T10] __sys_sendmsg+0xcd/0x170 [ 756.955333][ T10] do_syscall_64+0xc6/0x1e0 [ 756.955333][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 756.955333][ T10] [ 756.957546][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 756.957896][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 756.957896][ T10] netdev_get_by_index+0x5e/0x80 [ 756.957896][ T10] fib6_nh_init+0x3d8/0x15b0 [ 756.957896][ T10] ip6_route_info_create+0xf18/0x17d0 [ 756.957896][ T10] addrconf_f6i_alloc+0x244/0x410 [ 756.957896][ T10] ipv6_add_addr+0x411/0x2000 [ 756.957896][ T10] inet6_addr_add+0x30e/0xa40 [ 756.957896][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 756.957896][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 756.957896][ T10] netlink_rcv_skb+0x130/0x360 [ 756.957896][ T10] netlink_unicast+0x449/0x710 [ 756.957896][ T10] netlink_sendmsg+0x723/0xbe0 [ 756.957896][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 756.957896][ T10] ___sys_sendmsg+0xee/0x170 [ 756.957896][ T10] __sys_sendmsg+0xcd/0x170 [ 756.957896][ T10] do_syscall_64+0xc6/0x1e0 [ 756.957896][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 756.957896][ T10] [ 756.960253][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 756.960253][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 756.960253][ T10] ipv6_find_idev+0x102/0x170 [ 756.960253][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 756.960253][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 756.960253][ T10] netlink_rcv_skb+0x130/0x360 [ 756.960253][ T10] netlink_unicast+0x449/0x710 [ 756.960253][ T10] netlink_sendmsg+0x723/0xbe0 [ 756.960253][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 756.960253][ T10] ___sys_sendmsg+0xee/0x170 [ 756.960253][ T10] __sys_sendmsg+0xcd/0x170 [ 756.960253][ T10] do_syscall_64+0xc6/0x1e0 [ 756.960253][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 756.960253][ T10] [ 756.962007][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 756.962007][ T10] neigh_parms_alloc+0x1e5/0x510 [ 756.962007][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 756.962007][ T10] ipv6_find_idev+0x102/0x170 [ 756.962007][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 756.962007][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 756.962007][ T10] netlink_rcv_skb+0x130/0x360 [ 756.962007][ T10] netlink_unicast+0x449/0x710 [ 756.962007][ T10] netlink_sendmsg+0x723/0xbe0 [ 756.962007][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 756.962007][ T10] ___sys_sendmsg+0xee/0x170 [ 756.962007][ T10] __sys_sendmsg+0xcd/0x170 [ 756.962007][ T10] do_syscall_64+0xc6/0x1e0 [ 756.962007][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 756.962007][ T10] [ 756.963956][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 756.964297][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 756.964297][ T10] netdev_get_by_index+0x5e/0x80 [ 756.964297][ T10] fib6_nh_init+0x3d8/0x15b0 [ 756.964297][ T10] ip6_route_info_create+0xf18/0x17d0 [ 756.964297][ T10] addrconf_f6i_alloc+0x244/0x410 [ 756.964297][ T10] ipv6_add_addr+0x411/0x2000 [ 756.964297][ T10] inet6_addr_add+0x30e/0xa40 [ 756.964297][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 756.964297][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 756.964297][ T10] netlink_rcv_skb+0x130/0x360 [ 756.964297][ T10] netlink_unicast+0x449/0x710 [ 756.964297][ T10] netlink_sendmsg+0x723/0xbe0 [ 756.964297][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 756.964297][ T10] ___sys_sendmsg+0xee/0x170 [ 756.964297][ T10] __sys_sendmsg+0xcd/0x170 [ 756.964297][ T10] do_syscall_64+0xc6/0x1e0 [ 756.964297][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 756.964297][ T10] [ 756.966852][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 756.966852][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 756.966852][ T10] ipv6_find_idev+0x102/0x170 [ 756.966852][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 756.966852][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 756.966852][ T10] netlink_rcv_skb+0x130/0x360 [ 756.966852][ T10] netlink_unicast+0x449/0x710 [ 756.966852][ T10] netlink_sendmsg+0x723/0xbe0 [ 756.966852][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 756.966852][ T10] ___sys_sendmsg+0xee/0x170 [ 756.966852][ T10] __sys_sendmsg+0xcd/0x170 [ 756.966852][ T10] do_syscall_64+0xc6/0x1e0 [ 756.966852][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 756.966852][ T10] [ 756.968797][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 756.968797][ T10] neigh_parms_alloc+0x1e5/0x510 [ 756.968797][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 756.968797][ T10] ipv6_find_idev+0x102/0x170 [ 756.968797][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 756.968797][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 756.968797][ T10] netlink_rcv_skb+0x130/0x360 [ 756.968797][ T10] netlink_unicast+0x449/0x710 [ 756.968797][ T10] netlink_sendmsg+0x723/0xbe0 [ 756.968797][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 756.968797][ T10] ___sys_sendmsg+0xee/0x170 [ 756.968797][ T10] __sys_sendmsg+0xcd/0x170 [ 756.968797][ T10] do_syscall_64+0xc6/0x1e0 [ 756.968797][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 756.968797][ T10] [ 756.971000][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 756.971337][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 756.971337][ T10] netdev_get_by_index+0x5e/0x80 [ 756.971337][ T10] fib6_nh_init+0x3d8/0x15b0 [ 756.971337][ T10] ip6_route_info_create+0xf18/0x17d0 [ 756.971337][ T10] addrconf_f6i_alloc+0x244/0x410 [ 756.971337][ T10] ipv6_add_addr+0x411/0x2000 [ 756.971337][ T10] inet6_addr_add+0x30e/0xa40 [ 756.971337][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 756.971337][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 756.971337][ T10] netlink_rcv_skb+0x130/0x360 [ 756.971337][ T10] netlink_unicast+0x449/0x710 [ 756.971337][ T10] netlink_sendmsg+0x723/0xbe0 [ 756.971337][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 756.971337][ T10] ___sys_sendmsg+0xee/0x170 [ 756.971337][ T10] __sys_sendmsg+0xcd/0x170 [ 756.971337][ T10] do_syscall_64+0xc6/0x1e0 [ 756.971337][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 756.971337][ T10] [ 756.973593][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 756.973593][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 756.973593][ T10] ipv6_find_idev+0x102/0x170 [ 756.973593][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 756.973593][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 756.973593][ T10] netlink_rcv_skb+0x130/0x360 [ 756.973593][ T10] netlink_unicast+0x449/0x710 [ 756.973593][ T10] netlink_sendmsg+0x723/0xbe0 [ 756.973593][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 756.973593][ T10] ___sys_sendmsg+0xee/0x170 [ 756.973593][ T10] __sys_sendmsg+0xcd/0x170 [ 756.973593][ T10] do_syscall_64+0xc6/0x1e0 [ 756.973593][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 756.973593][ T10] [ 756.975329][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 756.975329][ T10] neigh_parms_alloc+0x1e5/0x510 [ 756.975329][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 756.975329][ T10] ipv6_find_idev+0x102/0x170 [ 756.975329][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 756.975329][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 756.975329][ T10] netlink_rcv_skb+0x130/0x360 [ 756.975329][ T10] netlink_unicast+0x449/0x710 [ 756.975329][ T10] netlink_sendmsg+0x723/0xbe0 [ 756.975329][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 756.975329][ T10] ___sys_sendmsg+0xee/0x170 [ 756.975329][ T10] __sys_sendmsg+0xcd/0x170 [ 756.975329][ T10] do_syscall_64+0xc6/0x1e0 [ 756.975329][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 756.975329][ T10] [ 767.067728][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 767.068066][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 767.068066][ T10] netdev_get_by_index+0x5e/0x80 [ 767.068066][ T10] fib6_nh_init+0x3d8/0x15b0 [ 767.068066][ T10] ip6_route_info_create+0xf18/0x17d0 [ 767.068066][ T10] addrconf_f6i_alloc+0x244/0x410 [ 767.068066][ T10] ipv6_add_addr+0x411/0x2000 [ 767.068066][ T10] inet6_addr_add+0x30e/0xa40 [ 767.068066][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 767.068066][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 767.068066][ T10] netlink_rcv_skb+0x130/0x360 [ 767.068066][ T10] netlink_unicast+0x449/0x710 [ 767.068066][ T10] netlink_sendmsg+0x723/0xbe0 [ 767.068066][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 767.068066][ T10] ___sys_sendmsg+0xee/0x170 [ 767.068066][ T10] __sys_sendmsg+0xcd/0x170 [ 767.068066][ T10] do_syscall_64+0xc6/0x1e0 [ 767.068066][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 767.068066][ T10] [ 767.070334][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 767.070334][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 767.070334][ T10] ipv6_find_idev+0x102/0x170 [ 767.070334][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 767.070334][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 767.070334][ T10] netlink_rcv_skb+0x130/0x360 [ 767.070334][ T10] netlink_unicast+0x449/0x710 [ 767.070334][ T10] netlink_sendmsg+0x723/0xbe0 [ 767.070334][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 767.070334][ T10] ___sys_sendmsg+0xee/0x170 [ 767.070334][ T10] __sys_sendmsg+0xcd/0x170 [ 767.070334][ T10] do_syscall_64+0xc6/0x1e0 [ 767.070334][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 767.070334][ T10] [ 767.072062][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 767.072062][ T10] neigh_parms_alloc+0x1e5/0x510 [ 767.072062][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 767.072062][ T10] ipv6_find_idev+0x102/0x170 [ 767.072062][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 767.072062][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 767.072062][ T10] netlink_rcv_skb+0x130/0x360 [ 767.072062][ T10] netlink_unicast+0x449/0x710 [ 767.072062][ T10] netlink_sendmsg+0x723/0xbe0 [ 767.072062][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 767.072062][ T10] ___sys_sendmsg+0xee/0x170 [ 767.072062][ T10] __sys_sendmsg+0xcd/0x170 [ 767.072062][ T10] do_syscall_64+0xc6/0x1e0 [ 767.072062][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 767.072062][ T10] [ 767.073974][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 767.074260][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 767.074260][ T10] netdev_get_by_index+0x5e/0x80 [ 767.074260][ T10] fib6_nh_init+0x3d8/0x15b0 [ 767.074260][ T10] ip6_route_info_create+0xf18/0x17d0 [ 767.074260][ T10] addrconf_f6i_alloc+0x244/0x410 [ 767.074260][ T10] ipv6_add_addr+0x411/0x2000 [ 767.074260][ T10] inet6_addr_add+0x30e/0xa40 [ 767.074260][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 767.074260][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 767.074260][ T10] netlink_rcv_skb+0x130/0x360 [ 767.074260][ T10] netlink_unicast+0x449/0x710 [ 767.074260][ T10] netlink_sendmsg+0x723/0xbe0 [ 767.074260][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 767.074260][ T10] ___sys_sendmsg+0xee/0x170 [ 767.074260][ T10] __sys_sendmsg+0xcd/0x170 [ 767.074260][ T10] do_syscall_64+0xc6/0x1e0 [ 767.074260][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 767.074260][ T10] [ 767.076473][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 767.076473][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 767.076473][ T10] ipv6_find_idev+0x102/0x170 [ 767.076473][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 767.076473][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 767.076473][ T10] netlink_rcv_skb+0x130/0x360 [ 767.076473][ T10] netlink_unicast+0x449/0x710 [ 767.076473][ T10] netlink_sendmsg+0x723/0xbe0 [ 767.076473][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 767.076473][ T10] ___sys_sendmsg+0xee/0x170 [ 767.076473][ T10] __sys_sendmsg+0xcd/0x170 [ 767.076473][ T10] do_syscall_64+0xc6/0x1e0 [ 767.076473][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 767.076473][ T10] [ 767.078363][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 767.078363][ T10] neigh_parms_alloc+0x1e5/0x510 [ 767.078363][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 767.078363][ T10] ipv6_find_idev+0x102/0x170 [ 767.078363][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 767.078363][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 767.078363][ T10] netlink_rcv_skb+0x130/0x360 [ 767.078363][ T10] netlink_unicast+0x449/0x710 [ 767.078363][ T10] netlink_sendmsg+0x723/0xbe0 [ 767.078363][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 767.078363][ T10] ___sys_sendmsg+0xee/0x170 [ 767.078363][ T10] __sys_sendmsg+0xcd/0x170 [ 767.078363][ T10] do_syscall_64+0xc6/0x1e0 [ 767.078363][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 767.078363][ T10] [ 767.080286][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 767.080578][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 767.080578][ T10] netdev_get_by_index+0x5e/0x80 [ 767.080578][ T10] fib6_nh_init+0x3d8/0x15b0 [ 767.080578][ T10] ip6_route_info_create+0xf18/0x17d0 [ 767.080578][ T10] addrconf_f6i_alloc+0x244/0x410 [ 767.080578][ T10] ipv6_add_addr+0x411/0x2000 [ 767.080578][ T10] inet6_addr_add+0x30e/0xa40 [ 767.080578][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 767.080578][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 767.080578][ T10] netlink_rcv_skb+0x130/0x360 [ 767.080578][ T10] netlink_unicast+0x449/0x710 [ 767.080578][ T10] netlink_sendmsg+0x723/0xbe0 [ 767.080578][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 767.080578][ T10] ___sys_sendmsg+0xee/0x170 [ 767.080578][ T10] __sys_sendmsg+0xcd/0x170 [ 767.080578][ T10] do_syscall_64+0xc6/0x1e0 [ 767.080578][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 767.080578][ T10] [ 767.082849][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 767.082849][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 767.082849][ T10] ipv6_find_idev+0x102/0x170 [ 767.082849][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 767.082849][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 767.082849][ T10] netlink_rcv_skb+0x130/0x360 [ 767.082849][ T10] netlink_unicast+0x449/0x710 [ 767.082849][ T10] netlink_sendmsg+0x723/0xbe0 [ 767.082849][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 767.082849][ T10] ___sys_sendmsg+0xee/0x170 [ 767.082849][ T10] __sys_sendmsg+0xcd/0x170 [ 767.082849][ T10] do_syscall_64+0xc6/0x1e0 [ 767.082849][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 767.082849][ T10] [ 767.084583][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 767.084583][ T10] neigh_parms_alloc+0x1e5/0x510 [ 767.084583][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 767.084583][ T10] ipv6_find_idev+0x102/0x170 [ 767.084583][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 767.084583][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 767.084583][ T10] netlink_rcv_skb+0x130/0x360 [ 767.084583][ T10] netlink_unicast+0x449/0x710 [ 767.084583][ T10] netlink_sendmsg+0x723/0xbe0 [ 767.084583][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 767.084583][ T10] ___sys_sendmsg+0xee/0x170 [ 767.084583][ T10] __sys_sendmsg+0xcd/0x170 [ 767.084583][ T10] do_syscall_64+0xc6/0x1e0 [ 767.084583][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 767.084583][ T10] [ 767.086486][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 767.086813][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 767.086813][ T10] netdev_get_by_index+0x5e/0x80 [ 767.086813][ T10] fib6_nh_init+0x3d8/0x15b0 [ 767.086813][ T10] ip6_route_info_create+0xf18/0x17d0 [ 767.086813][ T10] addrconf_f6i_alloc+0x244/0x410 [ 767.086813][ T10] ipv6_add_addr+0x411/0x2000 [ 767.086813][ T10] inet6_addr_add+0x30e/0xa40 [ 767.086813][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 767.086813][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 767.086813][ T10] netlink_rcv_skb+0x130/0x360 [ 767.086813][ T10] netlink_unicast+0x449/0x710 [ 767.086813][ T10] netlink_sendmsg+0x723/0xbe0 [ 767.086813][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 767.086813][ T10] ___sys_sendmsg+0xee/0x170 [ 767.086813][ T10] __sys_sendmsg+0xcd/0x170 [ 767.086813][ T10] do_syscall_64+0xc6/0x1e0 [ 767.086813][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 767.086813][ T10] [ 767.089340][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 767.089340][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 767.089340][ T10] ipv6_find_idev+0x102/0x170 [ 767.089340][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 767.089340][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 767.089340][ T10] netlink_rcv_skb+0x130/0x360 [ 767.089340][ T10] netlink_unicast+0x449/0x710 [ 767.089340][ T10] netlink_sendmsg+0x723/0xbe0 [ 767.089340][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 767.089340][ T10] ___sys_sendmsg+0xee/0x170 [ 767.089340][ T10] __sys_sendmsg+0xcd/0x170 [ 767.089340][ T10] do_syscall_64+0xc6/0x1e0 [ 767.089340][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 767.089340][ T10] [ 767.091457][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 767.091457][ T10] neigh_parms_alloc+0x1e5/0x510 [ 767.091457][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 767.091457][ T10] ipv6_find_idev+0x102/0x170 [ 767.091457][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 767.091457][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 767.091457][ T10] netlink_rcv_skb+0x130/0x360 [ 767.091457][ T10] netlink_unicast+0x449/0x710 [ 767.091457][ T10] netlink_sendmsg+0x723/0xbe0 [ 767.091457][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 767.091457][ T10] ___sys_sendmsg+0xee/0x170 [ 767.091457][ T10] __sys_sendmsg+0xcd/0x170 [ 767.091457][ T10] do_syscall_64+0xc6/0x1e0 [ 767.091457][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 767.091457][ T10] [ 767.093659][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 767.093949][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 767.093949][ T10] netdev_get_by_index+0x5e/0x80 [ 767.093949][ T10] fib6_nh_init+0x3d8/0x15b0 [ 767.093949][ T10] ip6_route_info_create+0xf18/0x17d0 [ 767.093949][ T10] addrconf_f6i_alloc+0x244/0x410 [ 767.093949][ T10] ipv6_add_addr+0x411/0x2000 [ 767.093949][ T10] inet6_addr_add+0x30e/0xa40 [ 767.093949][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 767.093949][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 767.093949][ T10] netlink_rcv_skb+0x130/0x360 [ 767.093949][ T10] netlink_unicast+0x449/0x710 [ 767.093949][ T10] netlink_sendmsg+0x723/0xbe0 [ 767.093949][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 767.093949][ T10] ___sys_sendmsg+0xee/0x170 [ 767.093949][ T10] __sys_sendmsg+0xcd/0x170 [ 767.093949][ T10] do_syscall_64+0xc6/0x1e0 [ 767.093949][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 767.093949][ T10] [ 767.096472][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 767.096472][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 767.096472][ T10] ipv6_find_idev+0x102/0x170 [ 767.096472][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 767.096472][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 767.096472][ T10] netlink_rcv_skb+0x130/0x360 [ 767.096472][ T10] netlink_unicast+0x449/0x710 [ 767.096472][ T10] netlink_sendmsg+0x723/0xbe0 [ 767.096472][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 767.096472][ T10] ___sys_sendmsg+0xee/0x170 [ 767.096472][ T10] __sys_sendmsg+0xcd/0x170 [ 767.096472][ T10] do_syscall_64+0xc6/0x1e0 [ 767.096472][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 767.096472][ T10] [ 767.098381][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 767.098381][ T10] neigh_parms_alloc+0x1e5/0x510 [ 767.098381][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 767.098381][ T10] ipv6_find_idev+0x102/0x170 [ 767.098381][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 767.098381][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 767.098381][ T10] netlink_rcv_skb+0x130/0x360 [ 767.098381][ T10] netlink_unicast+0x449/0x710 [ 767.098381][ T10] netlink_sendmsg+0x723/0xbe0 [ 767.098381][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 767.098381][ T10] ___sys_sendmsg+0xee/0x170 [ 767.098381][ T10] __sys_sendmsg+0xcd/0x170 [ 767.098381][ T10] do_syscall_64+0xc6/0x1e0 [ 767.098381][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 767.098381][ T10] [ 767.100610][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 767.100911][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 767.100911][ T10] netdev_get_by_index+0x5e/0x80 [ 767.100911][ T10] fib6_nh_init+0x3d8/0x15b0 [ 767.100911][ T10] ip6_route_info_create+0xf18/0x17d0 [ 767.100911][ T10] addrconf_f6i_alloc+0x244/0x410 [ 767.100911][ T10] ipv6_add_addr+0x411/0x2000 [ 767.100911][ T10] inet6_addr_add+0x30e/0xa40 [ 767.100911][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 767.100911][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 767.100911][ T10] netlink_rcv_skb+0x130/0x360 [ 767.100911][ T10] netlink_unicast+0x449/0x710 [ 767.100911][ T10] netlink_sendmsg+0x723/0xbe0 [ 767.100911][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 767.100911][ T10] ___sys_sendmsg+0xee/0x170 [ 767.100911][ T10] __sys_sendmsg+0xcd/0x170 [ 767.100911][ T10] do_syscall_64+0xc6/0x1e0 [ 767.100911][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 767.100911][ T10] [ 767.103385][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 767.103385][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 767.103385][ T10] ipv6_find_idev+0x102/0x170 [ 767.103385][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 767.103385][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 767.103385][ T10] netlink_rcv_skb+0x130/0x360 [ 767.103385][ T10] netlink_unicast+0x449/0x710 [ 767.103385][ T10] netlink_sendmsg+0x723/0xbe0 [ 767.103385][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 767.103385][ T10] ___sys_sendmsg+0xee/0x170 [ 767.103385][ T10] __sys_sendmsg+0xcd/0x170 [ 767.103385][ T10] do_syscall_64+0xc6/0x1e0 [ 767.103385][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 767.103385][ T10] [ 767.105263][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 767.105263][ T10] neigh_parms_alloc+0x1e5/0x510 [ 767.105263][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 767.105263][ T10] ipv6_find_idev+0x102/0x170 [ 767.105263][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 767.105263][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 767.105263][ T10] netlink_rcv_skb+0x130/0x360 [ 767.105263][ T10] netlink_unicast+0x449/0x710 [ 767.105263][ T10] netlink_sendmsg+0x723/0xbe0 [ 767.105263][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 767.105263][ T10] ___sys_sendmsg+0xee/0x170 [ 767.105263][ T10] __sys_sendmsg+0xcd/0x170 [ 767.105263][ T10] do_syscall_64+0xc6/0x1e0 [ 767.105263][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 767.105263][ T10] [ 767.107362][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 767.107727][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 767.107727][ T10] netdev_get_by_index+0x5e/0x80 [ 767.107727][ T10] fib6_nh_init+0x3d8/0x15b0 [ 767.107727][ T10] ip6_route_info_create+0xf18/0x17d0 [ 767.107727][ T10] addrconf_f6i_alloc+0x244/0x410 [ 767.107727][ T10] ipv6_add_addr+0x411/0x2000 [ 767.107727][ T10] inet6_addr_add+0x30e/0xa40 [ 767.107727][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 767.107727][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 767.107727][ T10] netlink_rcv_skb+0x130/0x360 [ 767.107727][ T10] netlink_unicast+0x449/0x710 [ 767.107727][ T10] netlink_sendmsg+0x723/0xbe0 [ 767.107727][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 767.107727][ T10] ___sys_sendmsg+0xee/0x170 [ 767.107727][ T10] __sys_sendmsg+0xcd/0x170 [ 767.107727][ T10] do_syscall_64+0xc6/0x1e0 [ 767.107727][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 767.107727][ T10] [ 767.110189][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 767.110189][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 767.110189][ T10] ipv6_find_idev+0x102/0x170 [ 767.110189][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 767.110189][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 767.110189][ T10] netlink_rcv_skb+0x130/0x360 [ 767.110189][ T10] netlink_unicast+0x449/0x710 [ 767.110189][ T10] netlink_sendmsg+0x723/0xbe0 [ 767.110189][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 767.110189][ T10] ___sys_sendmsg+0xee/0x170 [ 767.110189][ T10] __sys_sendmsg+0xcd/0x170 [ 767.110189][ T10] do_syscall_64+0xc6/0x1e0 [ 767.110189][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 767.110189][ T10] [ 767.112238][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 767.112238][ T10] neigh_parms_alloc+0x1e5/0x510 [ 767.112238][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 767.112238][ T10] ipv6_find_idev+0x102/0x170 [ 767.112238][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 767.112238][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 767.112238][ T10] netlink_rcv_skb+0x130/0x360 [ 767.112238][ T10] netlink_unicast+0x449/0x710 [ 767.112238][ T10] netlink_sendmsg+0x723/0xbe0 [ 767.112238][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 767.112238][ T10] ___sys_sendmsg+0xee/0x170 [ 767.112238][ T10] __sys_sendmsg+0xcd/0x170 [ 767.112238][ T10] do_syscall_64+0xc6/0x1e0 [ 767.112238][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 767.112238][ T10] [ 767.114505][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 767.114851][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 767.114851][ T10] netdev_get_by_index+0x5e/0x80 [ 767.114851][ T10] fib6_nh_init+0x3d8/0x15b0 [ 767.114851][ T10] ip6_route_info_create+0xf18/0x17d0 [ 767.114851][ T10] addrconf_f6i_alloc+0x244/0x410 [ 767.114851][ T10] ipv6_add_addr+0x411/0x2000 [ 767.114851][ T10] inet6_addr_add+0x30e/0xa40 [ 767.114851][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 767.114851][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 767.114851][ T10] netlink_rcv_skb+0x130/0x360 [ 767.114851][ T10] netlink_unicast+0x449/0x710 [ 767.114851][ T10] netlink_sendmsg+0x723/0xbe0 [ 767.114851][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 767.114851][ T10] ___sys_sendmsg+0xee/0x170 [ 767.114851][ T10] __sys_sendmsg+0xcd/0x170 [ 767.114851][ T10] do_syscall_64+0xc6/0x1e0 [ 767.114851][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 767.114851][ T10] [ 767.117353][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 767.117353][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 767.117353][ T10] ipv6_find_idev+0x102/0x170 [ 767.117353][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 767.117353][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 767.117353][ T10] netlink_rcv_skb+0x130/0x360 [ 767.117353][ T10] netlink_unicast+0x449/0x710 [ 767.117353][ T10] netlink_sendmsg+0x723/0xbe0 [ 767.117353][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 767.117353][ T10] ___sys_sendmsg+0xee/0x170 [ 767.117353][ T10] __sys_sendmsg+0xcd/0x170 [ 767.117353][ T10] do_syscall_64+0xc6/0x1e0 [ 767.117353][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 767.117353][ T10] [ 767.119414][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 767.119414][ T10] neigh_parms_alloc+0x1e5/0x510 [ 767.119414][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 767.119414][ T10] ipv6_find_idev+0x102/0x170 [ 767.119414][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 767.119414][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 767.119414][ T10] netlink_rcv_skb+0x130/0x360 [ 767.119414][ T10] netlink_unicast+0x449/0x710 [ 767.119414][ T10] netlink_sendmsg+0x723/0xbe0 [ 767.119414][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 767.119414][ T10] ___sys_sendmsg+0xee/0x170 [ 767.119414][ T10] __sys_sendmsg+0xcd/0x170 [ 767.119414][ T10] do_syscall_64+0xc6/0x1e0 [ 767.119414][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 767.119414][ T10] [ 777.267770][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 777.268290][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 777.268290][ T10] netdev_get_by_index+0x5e/0x80 [ 777.268290][ T10] fib6_nh_init+0x3d8/0x15b0 [ 777.268290][ T10] ip6_route_info_create+0xf18/0x17d0 [ 777.268290][ T10] addrconf_f6i_alloc+0x244/0x410 [ 777.268290][ T10] ipv6_add_addr+0x411/0x2000 [ 777.268290][ T10] inet6_addr_add+0x30e/0xa40 [ 777.268290][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 777.268290][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 777.268290][ T10] netlink_rcv_skb+0x130/0x360 [ 777.268290][ T10] netlink_unicast+0x449/0x710 [ 777.268290][ T10] netlink_sendmsg+0x723/0xbe0 [ 777.268290][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 777.268290][ T10] ___sys_sendmsg+0xee/0x170 [ 777.268290][ T10] __sys_sendmsg+0xcd/0x170 [ 777.268290][ T10] do_syscall_64+0xc6/0x1e0 [ 777.268290][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 777.268290][ T10] [ 777.270592][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 777.270592][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 777.270592][ T10] ipv6_find_idev+0x102/0x170 [ 777.270592][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 777.270592][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 777.270592][ T10] netlink_rcv_skb+0x130/0x360 [ 777.270592][ T10] netlink_unicast+0x449/0x710 [ 777.270592][ T10] netlink_sendmsg+0x723/0xbe0 [ 777.270592][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 777.270592][ T10] ___sys_sendmsg+0xee/0x170 [ 777.270592][ T10] __sys_sendmsg+0xcd/0x170 [ 777.270592][ T10] do_syscall_64+0xc6/0x1e0 [ 777.270592][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 777.270592][ T10] [ 777.272345][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 777.272345][ T10] neigh_parms_alloc+0x1e5/0x510 [ 777.272345][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 777.272345][ T10] ipv6_find_idev+0x102/0x170 [ 777.272345][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 777.272345][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 777.272345][ T10] netlink_rcv_skb+0x130/0x360 [ 777.272345][ T10] netlink_unicast+0x449/0x710 [ 777.272345][ T10] netlink_sendmsg+0x723/0xbe0 [ 777.272345][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 777.272345][ T10] ___sys_sendmsg+0xee/0x170 [ 777.272345][ T10] __sys_sendmsg+0xcd/0x170 [ 777.272345][ T10] do_syscall_64+0xc6/0x1e0 [ 777.272345][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 777.272345][ T10] [ 777.274254][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 777.274548][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 777.274548][ T10] netdev_get_by_index+0x5e/0x80 [ 777.274548][ T10] fib6_nh_init+0x3d8/0x15b0 [ 777.274548][ T10] ip6_route_info_create+0xf18/0x17d0 [ 777.274548][ T10] addrconf_f6i_alloc+0x244/0x410 [ 777.274548][ T10] ipv6_add_addr+0x411/0x2000 [ 777.274548][ T10] inet6_addr_add+0x30e/0xa40 [ 777.274548][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 777.274548][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 777.274548][ T10] netlink_rcv_skb+0x130/0x360 [ 777.274548][ T10] netlink_unicast+0x449/0x710 [ 777.274548][ T10] netlink_sendmsg+0x723/0xbe0 [ 777.274548][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 777.274548][ T10] ___sys_sendmsg+0xee/0x170 [ 777.274548][ T10] __sys_sendmsg+0xcd/0x170 [ 777.274548][ T10] do_syscall_64+0xc6/0x1e0 [ 777.274548][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 777.274548][ T10] [ 777.276793][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 777.276793][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 777.276793][ T10] ipv6_find_idev+0x102/0x170 [ 777.276793][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 777.276793][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 777.276793][ T10] netlink_rcv_skb+0x130/0x360 [ 777.276793][ T10] netlink_unicast+0x449/0x710 [ 777.276793][ T10] netlink_sendmsg+0x723/0xbe0 [ 777.276793][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 777.276793][ T10] ___sys_sendmsg+0xee/0x170 [ 777.276793][ T10] __sys_sendmsg+0xcd/0x170 [ 777.276793][ T10] do_syscall_64+0xc6/0x1e0 [ 777.276793][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 777.276793][ T10] [ 777.278509][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 777.278509][ T10] neigh_parms_alloc+0x1e5/0x510 [ 777.278509][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 777.278509][ T10] ipv6_find_idev+0x102/0x170 [ 777.278509][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 777.278509][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 777.278509][ T10] netlink_rcv_skb+0x130/0x360 [ 777.278509][ T10] netlink_unicast+0x449/0x710 [ 777.278509][ T10] netlink_sendmsg+0x723/0xbe0 [ 777.278509][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 777.278509][ T10] ___sys_sendmsg+0xee/0x170 [ 777.278509][ T10] __sys_sendmsg+0xcd/0x170 [ 777.278509][ T10] do_syscall_64+0xc6/0x1e0 [ 777.278509][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 777.278509][ T10] [ 777.280361][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 777.280655][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 777.280655][ T10] netdev_get_by_index+0x5e/0x80 [ 777.280655][ T10] fib6_nh_init+0x3d8/0x15b0 [ 777.280655][ T10] ip6_route_info_create+0xf18/0x17d0 [ 777.280655][ T10] addrconf_f6i_alloc+0x244/0x410 [ 777.280655][ T10] ipv6_add_addr+0x411/0x2000 [ 777.280655][ T10] inet6_addr_add+0x30e/0xa40 [ 777.280655][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 777.280655][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 777.280655][ T10] netlink_rcv_skb+0x130/0x360 [ 777.280655][ T10] netlink_unicast+0x449/0x710 [ 777.280655][ T10] netlink_sendmsg+0x723/0xbe0 [ 777.280655][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 777.280655][ T10] ___sys_sendmsg+0xee/0x170 [ 777.280655][ T10] __sys_sendmsg+0xcd/0x170 [ 777.280655][ T10] do_syscall_64+0xc6/0x1e0 [ 777.280655][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 777.280655][ T10] [ 777.282879][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 777.282879][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 777.282879][ T10] ipv6_find_idev+0x102/0x170 [ 777.282879][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 777.282879][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 777.282879][ T10] netlink_rcv_skb+0x130/0x360 [ 777.282879][ T10] netlink_unicast+0x449/0x710 [ 777.282879][ T10] netlink_sendmsg+0x723/0xbe0 [ 777.282879][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 777.282879][ T10] ___sys_sendmsg+0xee/0x170 [ 777.282879][ T10] __sys_sendmsg+0xcd/0x170 [ 777.282879][ T10] do_syscall_64+0xc6/0x1e0 [ 777.282879][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 777.282879][ T10] [ 777.284600][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 777.284600][ T10] neigh_parms_alloc+0x1e5/0x510 [ 777.284600][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 777.284600][ T10] ipv6_find_idev+0x102/0x170 [ 777.284600][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 777.284600][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 777.284600][ T10] netlink_rcv_skb+0x130/0x360 [ 777.284600][ T10] netlink_unicast+0x449/0x710 [ 777.284600][ T10] netlink_sendmsg+0x723/0xbe0 [ 777.284600][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 777.284600][ T10] ___sys_sendmsg+0xee/0x170 [ 777.284600][ T10] __sys_sendmsg+0xcd/0x170 [ 777.284600][ T10] do_syscall_64+0xc6/0x1e0 [ 777.284600][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 777.284600][ T10] [ 777.286497][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 777.286817][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 777.286817][ T10] netdev_get_by_index+0x5e/0x80 [ 777.286817][ T10] fib6_nh_init+0x3d8/0x15b0 [ 777.286817][ T10] ip6_route_info_create+0xf18/0x17d0 [ 777.286817][ T10] addrconf_f6i_alloc+0x244/0x410 [ 777.286817][ T10] ipv6_add_addr+0x411/0x2000 [ 777.286817][ T10] inet6_addr_add+0x30e/0xa40 [ 777.286817][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 777.286817][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 777.286817][ T10] netlink_rcv_skb+0x130/0x360 [ 777.286817][ T10] netlink_unicast+0x449/0x710 [ 777.286817][ T10] netlink_sendmsg+0x723/0xbe0 [ 777.286817][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 777.286817][ T10] ___sys_sendmsg+0xee/0x170 [ 777.286817][ T10] __sys_sendmsg+0xcd/0x170 [ 777.286817][ T10] do_syscall_64+0xc6/0x1e0 [ 777.286817][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 777.286817][ T10] [ 777.289036][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 777.289036][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 777.289036][ T10] ipv6_find_idev+0x102/0x170 [ 777.289036][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 777.289036][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 777.289036][ T10] netlink_rcv_skb+0x130/0x360 [ 777.289036][ T10] netlink_unicast+0x449/0x710 [ 777.289036][ T10] netlink_sendmsg+0x723/0xbe0 [ 777.289036][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 777.289036][ T10] ___sys_sendmsg+0xee/0x170 [ 777.289036][ T10] __sys_sendmsg+0xcd/0x170 [ 777.289036][ T10] do_syscall_64+0xc6/0x1e0 [ 777.289036][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 777.289036][ T10] [ 777.290744][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 777.290744][ T10] neigh_parms_alloc+0x1e5/0x510 [ 777.290744][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 777.290744][ T10] ipv6_find_idev+0x102/0x170 [ 777.290744][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 777.290744][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 777.290744][ T10] netlink_rcv_skb+0x130/0x360 [ 777.290744][ T10] netlink_unicast+0x449/0x710 [ 777.290744][ T10] netlink_sendmsg+0x723/0xbe0 [ 777.290744][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 777.290744][ T10] ___sys_sendmsg+0xee/0x170 [ 777.290744][ T10] __sys_sendmsg+0xcd/0x170 [ 777.290744][ T10] do_syscall_64+0xc6/0x1e0 [ 777.290744][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 777.290744][ T10] [ 777.292755][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 777.293111][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 777.293111][ T10] netdev_get_by_index+0x5e/0x80 [ 777.293111][ T10] fib6_nh_init+0x3d8/0x15b0 [ 777.293111][ T10] ip6_route_info_create+0xf18/0x17d0 [ 777.293111][ T10] addrconf_f6i_alloc+0x244/0x410 [ 777.293111][ T10] ipv6_add_addr+0x411/0x2000 [ 777.293111][ T10] inet6_addr_add+0x30e/0xa40 [ 777.293111][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 777.293111][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 777.293111][ T10] netlink_rcv_skb+0x130/0x360 [ 777.293111][ T10] netlink_unicast+0x449/0x710 [ 777.293111][ T10] netlink_sendmsg+0x723/0xbe0 [ 777.293111][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 777.293111][ T10] ___sys_sendmsg+0xee/0x170 [ 777.293111][ T10] __sys_sendmsg+0xcd/0x170 [ 777.293111][ T10] do_syscall_64+0xc6/0x1e0 [ 777.293111][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 777.293111][ T10] [ 777.295379][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 777.295379][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 777.295379][ T10] ipv6_find_idev+0x102/0x170 [ 777.295379][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 777.295379][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 777.295379][ T10] netlink_rcv_skb+0x130/0x360 [ 777.295379][ T10] netlink_unicast+0x449/0x710 [ 777.295379][ T10] netlink_sendmsg+0x723/0xbe0 [ 777.295379][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 777.295379][ T10] ___sys_sendmsg+0xee/0x170 [ 777.295379][ T10] __sys_sendmsg+0xcd/0x170 [ 777.295379][ T10] do_syscall_64+0xc6/0x1e0 [ 777.295379][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 777.295379][ T10] [ 777.297126][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 777.297126][ T10] neigh_parms_alloc+0x1e5/0x510 [ 777.297126][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 777.297126][ T10] ipv6_find_idev+0x102/0x170 [ 777.297126][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 777.297126][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 777.297126][ T10] netlink_rcv_skb+0x130/0x360 [ 777.297126][ T10] netlink_unicast+0x449/0x710 [ 777.297126][ T10] netlink_sendmsg+0x723/0xbe0 [ 777.297126][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 777.297126][ T10] ___sys_sendmsg+0xee/0x170 [ 777.297126][ T10] __sys_sendmsg+0xcd/0x170 [ 777.297126][ T10] do_syscall_64+0xc6/0x1e0 [ 777.297126][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 777.297126][ T10] [ 777.299636][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 777.299977][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 777.299977][ T10] netdev_get_by_index+0x5e/0x80 [ 777.299977][ T10] fib6_nh_init+0x3d8/0x15b0 [ 777.299977][ T10] ip6_route_info_create+0xf18/0x17d0 [ 777.299977][ T10] addrconf_f6i_alloc+0x244/0x410 [ 777.299977][ T10] ipv6_add_addr+0x411/0x2000 [ 777.299977][ T10] inet6_addr_add+0x30e/0xa40 [ 777.299977][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 777.299977][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 777.299977][ T10] netlink_rcv_skb+0x130/0x360 [ 777.299977][ T10] netlink_unicast+0x449/0x710 [ 777.299977][ T10] netlink_sendmsg+0x723/0xbe0 [ 777.299977][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 777.299977][ T10] ___sys_sendmsg+0xee/0x170 [ 777.299977][ T10] __sys_sendmsg+0xcd/0x170 [ 777.299977][ T10] do_syscall_64+0xc6/0x1e0 [ 777.299977][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 777.299977][ T10] [ 777.302192][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 777.302192][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 777.302192][ T10] ipv6_find_idev+0x102/0x170 [ 777.302192][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 777.302192][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 777.302192][ T10] netlink_rcv_skb+0x130/0x360 [ 777.302192][ T10] netlink_unicast+0x449/0x710 [ 777.302192][ T10] netlink_sendmsg+0x723/0xbe0 [ 777.302192][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 777.302192][ T10] ___sys_sendmsg+0xee/0x170 [ 777.302192][ T10] __sys_sendmsg+0xcd/0x170 [ 777.302192][ T10] do_syscall_64+0xc6/0x1e0 [ 777.302192][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 777.302192][ T10] [ 777.303885][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 777.303885][ T10] neigh_parms_alloc+0x1e5/0x510 [ 777.303885][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 777.303885][ T10] ipv6_find_idev+0x102/0x170 [ 777.303885][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 777.303885][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 777.303885][ T10] netlink_rcv_skb+0x130/0x360 [ 777.303885][ T10] netlink_unicast+0x449/0x710 [ 777.303885][ T10] netlink_sendmsg+0x723/0xbe0 [ 777.303885][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 777.303885][ T10] ___sys_sendmsg+0xee/0x170 [ 777.303885][ T10] __sys_sendmsg+0xcd/0x170 [ 777.303885][ T10] do_syscall_64+0xc6/0x1e0 [ 777.303885][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 777.303885][ T10] [ 777.305869][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 777.306255][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 777.306255][ T10] netdev_get_by_index+0x5e/0x80 [ 777.306255][ T10] fib6_nh_init+0x3d8/0x15b0 [ 777.306255][ T10] ip6_route_info_create+0xf18/0x17d0 [ 777.306255][ T10] addrconf_f6i_alloc+0x244/0x410 [ 777.306255][ T10] ipv6_add_addr+0x411/0x2000 [ 777.306255][ T10] inet6_addr_add+0x30e/0xa40 [ 777.306255][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 777.306255][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 777.306255][ T10] netlink_rcv_skb+0x130/0x360 [ 777.306255][ T10] netlink_unicast+0x449/0x710 [ 777.306255][ T10] netlink_sendmsg+0x723/0xbe0 [ 777.306255][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 777.306255][ T10] ___sys_sendmsg+0xee/0x170 [ 777.306255][ T10] __sys_sendmsg+0xcd/0x170 [ 777.306255][ T10] do_syscall_64+0xc6/0x1e0 [ 777.306255][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 777.306255][ T10] [ 777.308647][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 777.308647][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 777.308647][ T10] ipv6_find_idev+0x102/0x170 [ 777.308647][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 777.308647][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 777.308647][ T10] netlink_rcv_skb+0x130/0x360 [ 777.308647][ T10] netlink_unicast+0x449/0x710 [ 777.308647][ T10] netlink_sendmsg+0x723/0xbe0 [ 777.308647][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 777.308647][ T10] ___sys_sendmsg+0xee/0x170 [ 777.308647][ T10] __sys_sendmsg+0xcd/0x170 [ 777.308647][ T10] do_syscall_64+0xc6/0x1e0 [ 777.308647][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 777.308647][ T10] [ 777.310630][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 777.310630][ T10] neigh_parms_alloc+0x1e5/0x510 [ 777.310630][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 777.310630][ T10] ipv6_find_idev+0x102/0x170 [ 777.310630][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 777.310630][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 777.310630][ T10] netlink_rcv_skb+0x130/0x360 [ 777.310630][ T10] netlink_unicast+0x449/0x710 [ 777.310630][ T10] netlink_sendmsg+0x723/0xbe0 [ 777.310630][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 777.310630][ T10] ___sys_sendmsg+0xee/0x170 [ 777.310630][ T10] __sys_sendmsg+0xcd/0x170 [ 777.310630][ T10] do_syscall_64+0xc6/0x1e0 [ 777.310630][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 777.310630][ T10] [ 777.312723][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 777.313009][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 777.313009][ T10] netdev_get_by_index+0x5e/0x80 [ 777.313009][ T10] fib6_nh_init+0x3d8/0x15b0 [ 777.313009][ T10] ip6_route_info_create+0xf18/0x17d0 [ 777.313009][ T10] addrconf_f6i_alloc+0x244/0x410 [ 777.313009][ T10] ipv6_add_addr+0x411/0x2000 [ 777.313009][ T10] inet6_addr_add+0x30e/0xa40 [ 777.313009][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 777.313009][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 777.313009][ T10] netlink_rcv_skb+0x130/0x360 [ 777.313009][ T10] netlink_unicast+0x449/0x710 [ 777.313009][ T10] netlink_sendmsg+0x723/0xbe0 [ 777.313009][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 777.313009][ T10] ___sys_sendmsg+0xee/0x170 [ 777.313009][ T10] __sys_sendmsg+0xcd/0x170 [ 777.313009][ T10] do_syscall_64+0xc6/0x1e0 [ 777.313009][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 777.313009][ T10] [ 777.315356][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 777.315356][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 777.315356][ T10] ipv6_find_idev+0x102/0x170 [ 777.315356][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 777.315356][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 777.315356][ T10] netlink_rcv_skb+0x130/0x360 [ 777.315356][ T10] netlink_unicast+0x449/0x710 [ 777.315356][ T10] netlink_sendmsg+0x723/0xbe0 [ 777.315356][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 777.315356][ T10] ___sys_sendmsg+0xee/0x170 [ 777.315356][ T10] __sys_sendmsg+0xcd/0x170 [ 777.315356][ T10] do_syscall_64+0xc6/0x1e0 [ 777.315356][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 777.315356][ T10] [ 777.317086][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 777.317086][ T10] neigh_parms_alloc+0x1e5/0x510 [ 777.317086][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 777.317086][ T10] ipv6_find_idev+0x102/0x170 [ 777.317086][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 777.317086][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 777.317086][ T10] netlink_rcv_skb+0x130/0x360 [ 777.317086][ T10] netlink_unicast+0x449/0x710 [ 777.317086][ T10] netlink_sendmsg+0x723/0xbe0 [ 777.317086][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 777.317086][ T10] ___sys_sendmsg+0xee/0x170 [ 777.317086][ T10] __sys_sendmsg+0xcd/0x170 [ 777.317086][ T10] do_syscall_64+0xc6/0x1e0 [ 777.317086][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 777.317086][ T10] [ 787.508210][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 787.508569][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 787.508569][ T10] netdev_get_by_index+0x5e/0x80 [ 787.508569][ T10] fib6_nh_init+0x3d8/0x15b0 [ 787.508569][ T10] ip6_route_info_create+0xf18/0x17d0 [ 787.508569][ T10] addrconf_f6i_alloc+0x244/0x410 [ 787.508569][ T10] ipv6_add_addr+0x411/0x2000 [ 787.508569][ T10] inet6_addr_add+0x30e/0xa40 [ 787.508569][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 787.508569][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 787.508569][ T10] netlink_rcv_skb+0x130/0x360 [ 787.508569][ T10] netlink_unicast+0x449/0x710 [ 787.508569][ T10] netlink_sendmsg+0x723/0xbe0 [ 787.508569][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 787.508569][ T10] ___sys_sendmsg+0xee/0x170 [ 787.508569][ T10] __sys_sendmsg+0xcd/0x170 [ 787.508569][ T10] do_syscall_64+0xc6/0x1e0 [ 787.508569][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 787.508569][ T10] [ 787.510811][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 787.510811][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 787.510811][ T10] ipv6_find_idev+0x102/0x170 [ 787.510811][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 787.510811][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 787.510811][ T10] netlink_rcv_skb+0x130/0x360 [ 787.510811][ T10] netlink_unicast+0x449/0x710 [ 787.510811][ T10] netlink_sendmsg+0x723/0xbe0 [ 787.510811][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 787.510811][ T10] ___sys_sendmsg+0xee/0x170 [ 787.510811][ T10] __sys_sendmsg+0xcd/0x170 [ 787.510811][ T10] do_syscall_64+0xc6/0x1e0 [ 787.510811][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 787.510811][ T10] [ 787.512553][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 787.512553][ T10] neigh_parms_alloc+0x1e5/0x510 [ 787.512553][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 787.512553][ T10] ipv6_find_idev+0x102/0x170 [ 787.512553][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 787.512553][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 787.512553][ T10] netlink_rcv_skb+0x130/0x360 [ 787.512553][ T10] netlink_unicast+0x449/0x710 [ 787.512553][ T10] netlink_sendmsg+0x723/0xbe0 [ 787.512553][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 787.512553][ T10] ___sys_sendmsg+0xee/0x170 [ 787.512553][ T10] __sys_sendmsg+0xcd/0x170 [ 787.512553][ T10] do_syscall_64+0xc6/0x1e0 [ 787.512553][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 787.512553][ T10] [ 787.514502][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 787.514846][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 787.514846][ T10] netdev_get_by_index+0x5e/0x80 [ 787.514846][ T10] fib6_nh_init+0x3d8/0x15b0 [ 787.514846][ T10] ip6_route_info_create+0xf18/0x17d0 [ 787.514846][ T10] addrconf_f6i_alloc+0x244/0x410 [ 787.514846][ T10] ipv6_add_addr+0x411/0x2000 [ 787.514846][ T10] inet6_addr_add+0x30e/0xa40 [ 787.514846][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 787.514846][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 787.514846][ T10] netlink_rcv_skb+0x130/0x360 [ 787.514846][ T10] netlink_unicast+0x449/0x710 [ 787.514846][ T10] netlink_sendmsg+0x723/0xbe0 [ 787.514846][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 787.514846][ T10] ___sys_sendmsg+0xee/0x170 [ 787.514846][ T10] __sys_sendmsg+0xcd/0x170 [ 787.514846][ T10] do_syscall_64+0xc6/0x1e0 [ 787.514846][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 787.514846][ T10] [ 787.517109][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 787.517109][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 787.517109][ T10] ipv6_find_idev+0x102/0x170 [ 787.517109][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 787.517109][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 787.517109][ T10] netlink_rcv_skb+0x130/0x360 [ 787.517109][ T10] netlink_unicast+0x449/0x710 [ 787.517109][ T10] netlink_sendmsg+0x723/0xbe0 [ 787.517109][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 787.517109][ T10] ___sys_sendmsg+0xee/0x170 [ 787.517109][ T10] __sys_sendmsg+0xcd/0x170 [ 787.517109][ T10] do_syscall_64+0xc6/0x1e0 [ 787.517109][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 787.517109][ T10] [ 787.518842][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 787.518842][ T10] neigh_parms_alloc+0x1e5/0x510 [ 787.518842][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 787.518842][ T10] ipv6_find_idev+0x102/0x170 [ 787.518842][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 787.518842][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 787.518842][ T10] netlink_rcv_skb+0x130/0x360 [ 787.518842][ T10] netlink_unicast+0x449/0x710 [ 787.518842][ T10] netlink_sendmsg+0x723/0xbe0 [ 787.518842][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 787.518842][ T10] ___sys_sendmsg+0xee/0x170 [ 787.518842][ T10] __sys_sendmsg+0xcd/0x170 [ 787.518842][ T10] do_syscall_64+0xc6/0x1e0 [ 787.518842][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 787.518842][ T10] [ 787.521044][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 787.521334][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 787.521334][ T10] netdev_get_by_index+0x5e/0x80 [ 787.521334][ T10] fib6_nh_init+0x3d8/0x15b0 [ 787.521334][ T10] ip6_route_info_create+0xf18/0x17d0 [ 787.521334][ T10] addrconf_f6i_alloc+0x244/0x410 [ 787.521334][ T10] ipv6_add_addr+0x411/0x2000 [ 787.521334][ T10] inet6_addr_add+0x30e/0xa40 [ 787.521334][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 787.521334][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 787.521334][ T10] netlink_rcv_skb+0x130/0x360 [ 787.521334][ T10] netlink_unicast+0x449/0x710 [ 787.521334][ T10] netlink_sendmsg+0x723/0xbe0 [ 787.521334][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 787.521334][ T10] ___sys_sendmsg+0xee/0x170 [ 787.521334][ T10] __sys_sendmsg+0xcd/0x170 [ 787.521334][ T10] do_syscall_64+0xc6/0x1e0 [ 787.521334][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 787.521334][ T10] [ 787.523868][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 787.523868][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 787.523868][ T10] ipv6_find_idev+0x102/0x170 [ 787.523868][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 787.523868][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 787.523868][ T10] netlink_rcv_skb+0x130/0x360 [ 787.523868][ T10] netlink_unicast+0x449/0x710 [ 787.523868][ T10] netlink_sendmsg+0x723/0xbe0 [ 787.523868][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 787.523868][ T10] ___sys_sendmsg+0xee/0x170 [ 787.523868][ T10] __sys_sendmsg+0xcd/0x170 [ 787.523868][ T10] do_syscall_64+0xc6/0x1e0 [ 787.523868][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 787.523868][ T10] [ 787.525738][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 787.525738][ T10] neigh_parms_alloc+0x1e5/0x510 [ 787.525738][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 787.525738][ T10] ipv6_find_idev+0x102/0x170 [ 787.525738][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 787.525738][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 787.525738][ T10] netlink_rcv_skb+0x130/0x360 [ 787.525738][ T10] netlink_unicast+0x449/0x710 [ 787.525738][ T10] netlink_sendmsg+0x723/0xbe0 [ 787.525738][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 787.525738][ T10] ___sys_sendmsg+0xee/0x170 [ 787.525738][ T10] __sys_sendmsg+0xcd/0x170 [ 787.525738][ T10] do_syscall_64+0xc6/0x1e0 [ 787.525738][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 787.525738][ T10] [ 787.528019][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 787.528312][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 787.528312][ T10] netdev_get_by_index+0x5e/0x80 [ 787.528312][ T10] fib6_nh_init+0x3d8/0x15b0 [ 787.528312][ T10] ip6_route_info_create+0xf18/0x17d0 [ 787.528312][ T10] addrconf_f6i_alloc+0x244/0x410 [ 787.528312][ T10] ipv6_add_addr+0x411/0x2000 [ 787.528312][ T10] inet6_addr_add+0x30e/0xa40 [ 787.528312][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 787.528312][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 787.528312][ T10] netlink_rcv_skb+0x130/0x360 [ 787.528312][ T10] netlink_unicast+0x449/0x710 [ 787.528312][ T10] netlink_sendmsg+0x723/0xbe0 [ 787.528312][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 787.528312][ T10] ___sys_sendmsg+0xee/0x170 [ 787.528312][ T10] __sys_sendmsg+0xcd/0x170 [ 787.528312][ T10] do_syscall_64+0xc6/0x1e0 [ 787.528312][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 787.528312][ T10] [ 787.530700][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 787.530700][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 787.530700][ T10] ipv6_find_idev+0x102/0x170 [ 787.530700][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 787.530700][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 787.530700][ T10] netlink_rcv_skb+0x130/0x360 [ 787.530700][ T10] netlink_unicast+0x449/0x710 [ 787.530700][ T10] netlink_sendmsg+0x723/0xbe0 [ 787.530700][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 787.530700][ T10] ___sys_sendmsg+0xee/0x170 [ 787.530700][ T10] __sys_sendmsg+0xcd/0x170 [ 787.530700][ T10] do_syscall_64+0xc6/0x1e0 [ 787.530700][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 787.530700][ T10] [ 787.532658][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 787.532658][ T10] neigh_parms_alloc+0x1e5/0x510 [ 787.532658][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 787.532658][ T10] ipv6_find_idev+0x102/0x170 [ 787.532658][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 787.532658][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 787.532658][ T10] netlink_rcv_skb+0x130/0x360 [ 787.532658][ T10] netlink_unicast+0x449/0x710 [ 787.532658][ T10] netlink_sendmsg+0x723/0xbe0 [ 787.532658][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 787.532658][ T10] ___sys_sendmsg+0xee/0x170 [ 787.532658][ T10] __sys_sendmsg+0xcd/0x170 [ 787.532658][ T10] do_syscall_64+0xc6/0x1e0 [ 787.532658][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 787.532658][ T10] [ 787.534788][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 787.535080][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 787.535080][ T10] netdev_get_by_index+0x5e/0x80 [ 787.535080][ T10] fib6_nh_init+0x3d8/0x15b0 [ 787.535080][ T10] ip6_route_info_create+0xf18/0x17d0 [ 787.535080][ T10] addrconf_f6i_alloc+0x244/0x410 [ 787.535080][ T10] ipv6_add_addr+0x411/0x2000 [ 787.535080][ T10] inet6_addr_add+0x30e/0xa40 [ 787.535080][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 787.535080][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 787.535080][ T10] netlink_rcv_skb+0x130/0x360 [ 787.535080][ T10] netlink_unicast+0x449/0x710 [ 787.535080][ T10] netlink_sendmsg+0x723/0xbe0 [ 787.535080][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 787.535080][ T10] ___sys_sendmsg+0xee/0x170 [ 787.535080][ T10] __sys_sendmsg+0xcd/0x170 [ 787.535080][ T10] do_syscall_64+0xc6/0x1e0 [ 787.535080][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 787.535080][ T10] [ 787.537462][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 787.537462][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 787.537462][ T10] ipv6_find_idev+0x102/0x170 [ 787.537462][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 787.537462][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 787.537462][ T10] netlink_rcv_skb+0x130/0x360 [ 787.537462][ T10] netlink_unicast+0x449/0x710 [ 787.537462][ T10] netlink_sendmsg+0x723/0xbe0 [ 787.537462][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 787.537462][ T10] ___sys_sendmsg+0xee/0x170 [ 787.537462][ T10] __sys_sendmsg+0xcd/0x170 [ 787.537462][ T10] do_syscall_64+0xc6/0x1e0 [ 787.537462][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 787.537462][ T10] [ 787.539188][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 787.539188][ T10] neigh_parms_alloc+0x1e5/0x510 [ 787.539188][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 787.539188][ T10] ipv6_find_idev+0x102/0x170 [ 787.539188][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 787.539188][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 787.539188][ T10] netlink_rcv_skb+0x130/0x360 [ 787.539188][ T10] netlink_unicast+0x449/0x710 [ 787.539188][ T10] netlink_sendmsg+0x723/0xbe0 [ 787.539188][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 787.539188][ T10] ___sys_sendmsg+0xee/0x170 [ 787.539188][ T10] __sys_sendmsg+0xcd/0x170 [ 787.539188][ T10] do_syscall_64+0xc6/0x1e0 [ 787.539188][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 787.539188][ T10] [ 787.541141][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 787.541530][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 787.541530][ T10] netdev_get_by_index+0x5e/0x80 [ 787.541530][ T10] fib6_nh_init+0x3d8/0x15b0 [ 787.541530][ T10] ip6_route_info_create+0xf18/0x17d0 [ 787.541530][ T10] addrconf_f6i_alloc+0x244/0x410 [ 787.541530][ T10] ipv6_add_addr+0x411/0x2000 [ 787.541530][ T10] inet6_addr_add+0x30e/0xa40 [ 787.541530][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 787.541530][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 787.541530][ T10] netlink_rcv_skb+0x130/0x360 [ 787.541530][ T10] netlink_unicast+0x449/0x710 [ 787.541530][ T10] netlink_sendmsg+0x723/0xbe0 [ 787.541530][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 787.541530][ T10] ___sys_sendmsg+0xee/0x170 [ 787.541530][ T10] __sys_sendmsg+0xcd/0x170 [ 787.541530][ T10] do_syscall_64+0xc6/0x1e0 [ 787.541530][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 787.541530][ T10] [ 787.543971][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 787.543971][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 787.543971][ T10] ipv6_find_idev+0x102/0x170 [ 787.543971][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 787.543971][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 787.543971][ T10] netlink_rcv_skb+0x130/0x360 [ 787.543971][ T10] netlink_unicast+0x449/0x710 [ 787.543971][ T10] netlink_sendmsg+0x723/0xbe0 [ 787.543971][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 787.543971][ T10] ___sys_sendmsg+0xee/0x170 [ 787.543971][ T10] __sys_sendmsg+0xcd/0x170 [ 787.543971][ T10] do_syscall_64+0xc6/0x1e0 [ 787.543971][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 787.543971][ T10] [ 787.545850][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 787.545850][ T10] neigh_parms_alloc+0x1e5/0x510 [ 787.545850][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 787.545850][ T10] ipv6_find_idev+0x102/0x170 [ 787.545850][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 787.545850][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 787.545850][ T10] netlink_rcv_skb+0x130/0x360 [ 787.545850][ T10] netlink_unicast+0x449/0x710 [ 787.545850][ T10] netlink_sendmsg+0x723/0xbe0 [ 787.545850][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 787.545850][ T10] ___sys_sendmsg+0xee/0x170 [ 787.545850][ T10] __sys_sendmsg+0xcd/0x170 [ 787.545850][ T10] do_syscall_64+0xc6/0x1e0 [ 787.545850][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 787.545850][ T10] [ 787.548004][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 787.548310][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 787.548310][ T10] netdev_get_by_index+0x5e/0x80 [ 787.548310][ T10] fib6_nh_init+0x3d8/0x15b0 [ 787.548310][ T10] ip6_route_info_create+0xf18/0x17d0 [ 787.548310][ T10] addrconf_f6i_alloc+0x244/0x410 [ 787.548310][ T10] ipv6_add_addr+0x411/0x2000 [ 787.548310][ T10] inet6_addr_add+0x30e/0xa40 [ 787.548310][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 787.548310][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 787.548310][ T10] netlink_rcv_skb+0x130/0x360 [ 787.548310][ T10] netlink_unicast+0x449/0x710 [ 787.548310][ T10] netlink_sendmsg+0x723/0xbe0 [ 787.548310][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 787.548310][ T10] ___sys_sendmsg+0xee/0x170 [ 787.548310][ T10] __sys_sendmsg+0xcd/0x170 [ 787.548310][ T10] do_syscall_64+0xc6/0x1e0 [ 787.548310][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 787.548310][ T10] [ 787.550606][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 787.550606][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 787.550606][ T10] ipv6_find_idev+0x102/0x170 [ 787.550606][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 787.550606][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 787.550606][ T10] netlink_rcv_skb+0x130/0x360 [ 787.550606][ T10] netlink_unicast+0x449/0x710 [ 787.550606][ T10] netlink_sendmsg+0x723/0xbe0 [ 787.550606][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 787.550606][ T10] ___sys_sendmsg+0xee/0x170 [ 787.550606][ T10] __sys_sendmsg+0xcd/0x170 [ 787.550606][ T10] do_syscall_64+0xc6/0x1e0 [ 787.550606][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 787.550606][ T10] [ 787.552358][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 787.552358][ T10] neigh_parms_alloc+0x1e5/0x510 [ 787.552358][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 787.552358][ T10] ipv6_find_idev+0x102/0x170 [ 787.552358][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 787.552358][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 787.552358][ T10] netlink_rcv_skb+0x130/0x360 [ 787.552358][ T10] netlink_unicast+0x449/0x710 [ 787.552358][ T10] netlink_sendmsg+0x723/0xbe0 [ 787.552358][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 787.552358][ T10] ___sys_sendmsg+0xee/0x170 [ 787.552358][ T10] __sys_sendmsg+0xcd/0x170 [ 787.552358][ T10] do_syscall_64+0xc6/0x1e0 [ 787.552358][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 787.552358][ T10] [ 787.554259][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 787.554553][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 787.554553][ T10] netdev_get_by_index+0x5e/0x80 [ 787.554553][ T10] fib6_nh_init+0x3d8/0x15b0 [ 787.554553][ T10] ip6_route_info_create+0xf18/0x17d0 [ 787.554553][ T10] addrconf_f6i_alloc+0x244/0x410 [ 787.554553][ T10] ipv6_add_addr+0x411/0x2000 [ 787.554553][ T10] inet6_addr_add+0x30e/0xa40 [ 787.554553][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 787.554553][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 787.554553][ T10] netlink_rcv_skb+0x130/0x360 [ 787.554553][ T10] netlink_unicast+0x449/0x710 [ 787.554553][ T10] netlink_sendmsg+0x723/0xbe0 [ 787.554553][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 787.554553][ T10] ___sys_sendmsg+0xee/0x170 [ 787.554553][ T10] __sys_sendmsg+0xcd/0x170 [ 787.554553][ T10] do_syscall_64+0xc6/0x1e0 [ 787.554553][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 787.554553][ T10] [ 787.556769][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 787.556769][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 787.556769][ T10] ipv6_find_idev+0x102/0x170 [ 787.556769][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 787.556769][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 787.556769][ T10] netlink_rcv_skb+0x130/0x360 [ 787.556769][ T10] netlink_unicast+0x449/0x710 [ 787.556769][ T10] netlink_sendmsg+0x723/0xbe0 [ 787.556769][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 787.556769][ T10] ___sys_sendmsg+0xee/0x170 [ 787.556769][ T10] __sys_sendmsg+0xcd/0x170 [ 787.556769][ T10] do_syscall_64+0xc6/0x1e0 [ 787.556769][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 787.556769][ T10] [ 787.558492][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 787.558492][ T10] neigh_parms_alloc+0x1e5/0x510 [ 787.558492][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 787.558492][ T10] ipv6_find_idev+0x102/0x170 [ 787.558492][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 787.558492][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 787.558492][ T10] netlink_rcv_skb+0x130/0x360 [ 787.558492][ T10] netlink_unicast+0x449/0x710 [ 787.558492][ T10] netlink_sendmsg+0x723/0xbe0 [ 787.558492][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 787.558492][ T10] ___sys_sendmsg+0xee/0x170 [ 787.558492][ T10] __sys_sendmsg+0xcd/0x170 [ 787.558492][ T10] do_syscall_64+0xc6/0x1e0 [ 787.558492][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 787.558492][ T10]